In his first-ever interview, the sole Australian survivor of the Waco siege has revealed to 60 Minutes what really took place during the 51-day stand-off, and why he believes crazed cult leader David Koresh will one day return to Earth as the son of God.

Church 'concealed' sex abuse claims against bishop: Anglican leader

The Church of England "colluded and concealed" to suppress claims of long-term sexual abuse against one of its bishops, Archbishop of Canterbury Justin Welby says.

The Anglican Communion leader issued a statement following the publication of an independent review into the Church's response to claims against former bishop Peter Ball, who was jailed for 32 months in 2015 after pleading guilty to historical offences.

The "Abuse of Faith" report "makes harrowing reading", Welby said.

"The Church colluded and concealed rather than seeking to help those who were brave enough to come forward. This is inexcusable and shocking behaviour," he added.

The report, chaired by former civil servant Moira Gibb, said that Ball had "abused many boys and men over a period of twenty years or more."

"That is shocking in itself but is compounded by the failure of the Church to respond appropriately to his misconduct," it added.

"Ball's conduct has caused serious and enduring damage to the lives of many men.